<template>
	<view class="wrap">
		<u-back-top :scroll-top="scrollTop" top="600"></u-back-top>


	</view>
</template>

<script>
export default {
	data() {
		return {
			scrollTop: 0
		}
	},
	onPageScroll(e) {
		this.scrollTop = e.scrollTop;
	}
};
</script>

<style lang="scss" scoped>
	.wrap {
		height: 200vh;
	}
</style>
